function GoogleMap_selected(){

    var lattitude_value= document.getElementById('slectedLat').value;
    var longitude_value= document.getElementById('slectedLon').value;

    var from = new google.maps.LatLng(mylatitude, mylongitude);
    var to = new google.maps.LatLng(lattitude_value, longitude_value);

     var directionsService = new google.maps.DirectionsService();
     var directionsRequest = {
       origin: from,
       destination: to,
       travelMode: google.maps.DirectionsTravelMode.DRIVING,
       unitSystem: google.maps.UnitSystem.METRIC
     };

    this.initialize = function(){
    var map = showMap_selected();

     directionsService.route(
              directionsRequest,
              function(response, status)
              {
                if (status == google.maps.DirectionsStatus.OK)
                {
                  new google.maps.DirectionsRenderer({
                    map: map,
                    directions: response
                  });
                }
                else
                    {
                     alert("Unable to retrive route");
                    }

              }
            );

    }

     var showMap_selected = function(){
        var mapOptions = {
        zoom: 12,
        center: new google.maps.LatLng(lattitude_value, longitude_value),
        mapTypeId: google.maps.MapTypeId.ROADMAP
        };
        var map = new google.maps.Map(document.getElementById("selected_map_canvas"), mapOptions);
        return map;
    }

    }